A vibrant male Boesemani Rainbow fish showing its signature half-blue and half-orange body coloration in an aquarium

Boesemani Rainbow

The Boesemani Rainbow is a stunning, active schooling fish known for its unique half-blue, half-orange colouration. Perfect for large, peaceful aquariums.
R 80
 

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SKU:RNB-BOE
Category:Fish
Tags:Aquarium, Boesemani, FIsh, Medium, Rainbow, Rainbowfish

Product Details

Boesemani Rainbows are highly sought after for their dramatic, dual-toned colouration and lively, schooling behaviour. Males develop a striking split-pattern of deep blue on the front and vibrant orange-yellow on the rear as they mature, making them a centrepiece for any community tank. They are generally hardy and adaptable, making them a fantastic choice for intermediate hobbyists looking to add movement and brilliance to their setup.


🐟 Boesemani Rainbow Care Tips


✅ Tank Requirements

• Tank Size: Minimum 150 litres for a small colony to allow for their active swimming style.
• Group Size: 6 or more; they are schooling fish and will be stressed and lose colour if kept alone.
• Substrate: Fine gravel or sand to mimic their natural riverine environment.
• Filtration: Strong, high-quality filtration is essential as they appreciate well-oxygenated, clean water with moderate flow.


🌡️ Water Parameters

• Temperature: 24–28°C (75–82°F)
• pH: 7.0–8.0
• Hardness: 8–15 dGH (they prefer slightly harder, alkaline water)
• TDS: 200–400 ppm


🍽️ Diet

• Omnivorous: They are unfussy eaters that thrive on high-quality flake food, pellets, and frozen foods like brine shrimp or bloodworm.
• Supplement with colour-enhancing pellets and fresh vegetable matter for optimal health and to maintain their intense orange and blue colour.


🧼 Tank Maintenance

• Perform weekly water changes (10–15%) using dechlorinated, temperature-matched water.
• Ensure the tank is well-cycled with robust biological filtration, as these fish can be sensitive to nitrate accumulation.


🤝 Tank Mates

• Peaceful and active; best kept with other community fish like larger tetras, rasboras, or other rainbowfish species.
• Avoid very small, timid fish that may be intimidated by the Boesemani's energetic swimming style.


🍀 Colour & Health Enhancement

• Lighting: Moderate to bright lighting helps bring out their iridescent scales and distinct colour transition.
• Diet: A mineral-rich, varied diet supports healthy growth and vibrant colour:

  • High-quality colour-enhancing flakes or pellets
  • Occasional live or frozen protein foods for energy
  • Vegetable-based supplements to balance their digestive health

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